show that the points a(0,0),b(3,0),c(4,1) and d(1,1) form a parallelog

1.	show that the points a(0,0),b(3,0),c(4,1) and d(1,1) form a parallelogram
Answer» By using distance formula√( X2 -X1)² + (Y2 -Y1)²

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